*{ margin: 0; padding: 0; font-family:Microsoft yahei,serif;}
li{ list-style:none;}
body{
    width: 1920px;
    height: 1080px;
    background-image: url(../image/login.png);
    position: relative;
}
.denglu{
    width: 500px;
    height: 425px;
    background-color: #fff;
    position: absolute;
    left: 50%;
    margin-left: -213px;
    top:50%;
    margin-top: -250px;
    border-radius: 10px;
}
.denglu div{
    width: 400px;
    height: 45px;
    margin-left: 50px;
}
.denglu .denglu1{
    font-size: 26px;
    color: #77aaff;
    text-align: center;
    line-height: 45px;
    margin-top: 40px;

}
.denglu .denglu2,.denglu .denglu3{
    line-height: 45px;
    margin-top: 20px;
    border-bottom: solid 1px #999;
    background-image: url(../image/yonghu_logo.png);
    background-repeat:no-repeat;
    background-position: 360px 15px;
}
.denglu .denglu2 input,.denglu .denglu3 input{
     border: none;
     outline: none;
     width: 300px;
     font-size: 18px;
     color: #999;
 }
.denglu .denglu3{
    background-image: url(../image/mima_logo.png);
    border-bottom:solid 2px #77aaff;
}
.denglu .denglu4{
    width: 402px;
    height: 50px;
    background-image: url(../image/buttion.png);
    background-repeat:no-repeat;
    margin-top: 60px;
    font-size: 16px;
    color: #fff;
    text-align: center;
    line-height: 50px;
    cursor: pointer;
}
.denglu .denglu5{
    text-align: center;
    line-height: 45px;
    margin-top: 30px;
    font-size: 14px;
    color: #999;
}